Dynamic audio-video interconnection system

• US 4,337,480 A
• Filed: 02/08/1980
• Issued: 06/29/1982
• Est. Priority Date: 02/15/1979
• Status: Expired due to Term

• Current Assignee: Syndicat Des Constructeurs D'Appareils Radio Recepteurs et Televiseurs
• Original Assignee: Syndicat Des Constructeurs D'Appareils Radio Recepteurs et Televiseurs
• Inventors: Fortin, Jacques, Leger, Alain, Soto, Joseph, Bourassin, Lucien, Solvinto, Jean-Claude, Condat, Bernard
• Primary Examiner(s): Masinick, Michael A.
• Application Number:
  US06/119,994
• Time in Patent Office: 872 Days
• Field of Search: 358/181, 358/186, 358/86, 358/83, 358/93, 358/183, 358/194.1, 364/521, 364/523, 340/147 CV, 340/147 CN, 340/147 P, 340/147 B, 340/152 R, 340/700, 340/706, 340/711
• US Class Current: 348/552
• CPC Class Codes: H04B 1/205 with control bus for exchanging commands between units
• CPC Class Codes: H04N 7/106 for domestic distribution

Abstract

A dynamic audio-video interconnection system for connecting together at least one television receiver and a plurality of peripheral units in home audio-visual installations. By means of a remote-control keyboard, the user transmits interconnection orders which are processed by a microprocessor in order to actuate electronic switches which effect the desired interconnection.

Claims

1. A dynamic audio-video interconnection system comprising:

a television receiver;

a peripheral-television multipin connector coupled to said television receiver;

a plurality of peripheral units for receiving or transmitting video/audio signals;

a plurality of control stages, each of said control stages being associated with a different one of said peripheral units for coupling said associated peripheral unit to said peripheral-television multipin connector;

a plurality of electronic switches, each of said electronic switches being associated with a different one of said control stages and being controlled by said associated control stage to make interconnections among said peripheral units and between said peripheral units and said television receiver;

a remote system control means for generating and transmitting commands requesting said electronic switches to make selected interconnections among said peripheral units and between said television receiver and selected peripheral units;

means in said television receiver for receiving said transmitted commands and for transmitting said received commands to said control stages; and

a microprocessor coupled to said receiving and transmitting means and each of said control stages for receiving said commands from said receiving and transmitting means and for controlling said electronic switches to make said requested interconnections.

2. A system according to claim 1 wherein each of said control stages includes an associated read only memory for storing instructions to be performed by said microprocessor during the performance of said requested interconnections and wherein said said system further includes a display control device for controlling said television receiver to display said instructions outputted from said read only memory.

5. A system according to claim 1, 2, 3, or 4 wherein said remote system control means includes means for generating signals for controlling and adjusting the operation of said television receiver and said peripheral units.

6. A system according to claim 5 further including a plurality of circuit boards, each of said control stages being associated with a different one of said circuit boards and wherein said associated control stage, read only memory, and electronic switch are formed as separate integrated circuits on said associated circuit boards.

7. A system according to claim 6 further including:

a casing having a plurality of conductors, each of said conductors being associated with a different one of said circuit boards; and

an analog signal link connecting said television receiver to said circuit boards through said conductors for transmitting said video/audio signals among said selected peripheral units and between said selected peripheral units and said television receiver.

8. A system according to claim 2 or 4 further including an addressing link coupling said microprocessor to each of said control stages to supply addresses selectively to said read only memories in said control stages.

9. A system according to claim 1 or 3 wherein said remote system control means comprises means for emitting signals representing said transmitted commands and wherein said receiving and transmitting means comprises a signal sensitive device coupled to said microprocessor and each of said control stages, said signal sensitive device for transforming said received signals into said commands and for supplying said commands to said microprocessor and to each of said control stages.

10. A system according to claim 9 wherein said microprocessor and each of said control stages includes an associated decoding means for receiving and decoding said transmitted commands.

11. A system according to claim 9 further including a remote-control link comprising a data linkage conductor coupled to said signal sensitive device, said microprocessor, and said control stages and an exchange-linkage conductor for connecting said control stages to each other and to said microprocessor.

12. A system according to claim 1 or 3 wherein said peripheral units and said control stages associated therewith are linked to each other by means of a series connection.

13. A system according to claim 1 or 3 wherein said control stages are connected in parallel to said peripheral-television multipin connector and to said microprocessor.

14. A system according to claim 1 or 3 further including a plurality of decoding means, each of said decoding means associated with a different one of said control stages for identifying an information transfer to said associated control stage.

15. A system according to claim 2 or 4 further including a plurality of circuit boards, one of said circuit boards being associated with said display control device and others of said circuit boards being singly associated with different ones of said control stages and wherein each of said control stages and said display control device is formed as an integrated circuit on said associated circuit boards and wherein said system further includes a casing having a plurality of conductors, each of said conductors being associated with a different one of said circuit boards, each of said associated circuit boards being pluggable into said casing to form electrical contact with said associated conductor.

16. A system according to claim 15 wherein said circuit boards have identical dimensions and are provided with repetitive connecting structures for the modular assembly of said circuit boards within said casing.

17. A system according to claim 15 wherein said conductors are connected to said television receiver through said peripheral-television multipin connector.

18. A system according to claim 1 or 3 further including a plurality of control stage multipin connectors, each of said control stage multipin connectors being associated with a different one of said control stages to couple said associated control stage to said peripheral unit associated with said associated control stage.

19. A system according to claim 1 or 3 further including means for controlling said television receiver to display a primary image and an auxiliary image simultaneously, said controlling means being connected to said television receiver and to each of said peripheral devices to select said principal image and said secondary image from images supplied by said peripheral devices.

20. A system according to claim 1 or 3 wherein said control stages are formed as a single integrated circuit and wherein each of said control stages includes an associated decoding means, said decoding means being combined into a single decoding integrated circuit.

3. A dynamic audio-video interconnection system for selectively connecting together a television receiver to one or more of a plurality of peripheral units via a peripheral-television multipin connector and a microprocessor executing commands directing the selected interconnections for the transfer of audio-video information, the system comprising:

a plurality of control stages, each of said control stages being associated with a different one of said peripheral units for transferring information between said associated peripheral unit and said peripheral-television multipin connector;

a remote system control means for generating said commands indicating the interconnections to be made between said television receiver and said selected peripheral units and for transmitting said user orders;

means in said television receiver for receiving said transmitted commands and for transmitting said received commands to said microprocessor; and

a plurality of electronic switches, each of said switches being associated with a different one of said control stages and being controlled by said microprocessor in accordance with said received commands to make interconnections among selected peripheral units and between selected peripheral units and said television receiver whereby audio-video information is transmitted among said selected peripheral units and between said selected peripheral units and said television receiver.

4. A system according to claim 3 wherein each of said control stages includes an associated read only memory for storing instructions to be performed by said system during the performance of said selected interconnections and wherein said system further includes a display control device for controlling said television receiver to display said instructions outputted from said read only memory.